| Name | Symphyotrichum chapmanii (Torrey & A. Gray) Semple & Brouillet |
| Authorship | (Torrey & A. Gray) Semple & Brouillet |
| Rank | Species |
| Placed in | Symphyotrichum |
| Citation | 2002 Univ. Waterloo Biol. Ser. 41: 134 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Symphyotrichum chapmanii (Torrey & A. Gray) Semple & Brouillet |
| Identification made in | 2016 (1) |